二年级作文花儿为什么是五颜六色的

二年级作文花儿为什么是五颜六色的

Father sends mom a bundle of flower, the lily with the helianthus that there is yellow inside, the foreign the root of balloonflower of white rose, green, snow-white pink, of multicoloured, really beautiful!

爸爸送给妈妈一束鲜花,里面有黄色的向日葵、粉白的玫瑰、绿色的洋桔梗、雪白的百合,五颜六色的,真漂亮呀!

On the weekend, my good friend Wu Yutong plays to my home, saw this bundle of flower, say excitedly: “ is very beautiful! ” catchs her to ask me again: Do you know “ why is the flower of multicoloured? I thought ” for ages to also was not thought out. She says: “ fool, because color is much,be of course gift is nice, do not appear drab. You think, if there is a kind of flower of color only in nature, that is much duller. ”作文吧 WWW.zuOwEnBa.Net

周末,我的好朋友吴雨桐到我家来玩,看到了这束鲜花,激动地说:“好美呀!”接着她又问我:“你知道花为什么是五颜六色的吗?”我想了好久也没有想出来。她说:“笨蛋,当然是因为颜色多才好看,不显得单调。你想,要是大自然中只有一种颜色的花,那多无聊呀。”

My uncertainty, is what she says true?

我半信半疑,她说的是真的吗?

Arrived in the evening, I still am pondering over this problem. Then, my Baidu, beautiful color is decided by the pigment in leaf, kind the flower with much carotene shows yellow or orange; Cyanine element shows gules, blue or purple more; Do not have those who have pigment to be able to present white, resemble lily. Of course, pigment also is not only factor, beautiful color still can suffer the effect of the element such as sunshine, soil, temperature, humidity.

到了晚上,我还在思考这个问题。于是,我百度了一下,花的颜色是由花瓣中的色素决定的,类胡萝卜素多的花呈黄色或橙色;花青素多的呈红色、蓝色或紫色;没有色素的就会呈现白色,就像百合花。当然,色素也不是唯一因素,花的颜色还会受阳光、土壤、温度、湿度等因素的影响。

Such formation of the flower of original multicoloured, my suddenly be enlightened!

原来五颜六色的花是这样形成的,我恍然大悟!(文/史传习)

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